Hi,
Plugging the "TeVii S660" on ARM v7 (32-bit) causes an immediate kernel
panic, because of unaligned memory access.
For more information see the following thread:
https://forums.freebsd.org/threads/tevii-s660-usb-dvb-s2-working.75977/
The backtrace goes like this (Linux 5.7, Torvald's)
#0 0x002dafbc in ts2020_read_tuner_gain (fe=<optimized out>, v_agc=0,
_gain=0x207b31de)
at media_tree/drivers/media/dvb-frontends/ts2020.c:380
380 *_gain = -((__s64)gain1 * 2650 +
[Current thread is 1 (LWP 100158)]
(gdb) bt
#0 0x002dafbc in ts2020_read_tuner_gain (fe=<optimized out>, v_agc=0,
_gain=0x207b31de)
at media_tree/drivers/media/dvb-frontends/ts2020.c:380
#1 ts2020_get_tuner_gain (fe=<optimized out>, _gain=0x207b31de)
at media_tree/drivers/media/dvb-frontends/ts2020.c:421
#2 ts2020_stat_work (work=<optimized out>) at
media_tree/drivers/media/dvb-frontends/ts2020.c:437
#3 0x002db21c in ts2020_init (fe=<optimized out>) at
media_tree/drivers/media/dvb-frontends/ts2020.c:148
#4 0x00350cc4 in dvb_frontend_init (fe=0x207b2f08) at
media_tree/drivers/media/dvb-core/dvb_frontend.c:336
#5 dvb_frontend_thread (data=0x207b2f08) at
media_tree/drivers/media/dvb-core/dvb_frontend.c:664
#6 0x00113d98 in kthread_wrapper (arg=0x20c56000) at
kernel/linux_thread.c:531
#7 0x2058cd84 in thread_start (curthread=0x20c57000) at
/usr/src/lib/libthr/thread/thr_create.c:292
#8 0x2058c830 in _pthread_create (thread=<error reading variable:
Cannot access memory at address 0xbdae500c>,
attr=<optimized out>, start_routine=<optimized out>, arg=<optimized
out>)
at /usr/src/lib/libthr/thread/thr_create.c:188
--HPS
